MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82

MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82 is a BMW tuning and performance upgrade available under reference MAD124. Use this BavariaMotor product guide to compare compatibility, specifications and purchase details.

Buy MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82 for BMW

BMW compatibility and fitment

Fitment information is a guide, not a substitute for a VIN check. BMW can use different components within the same model year.

• G8X M3 / M4 4" FATBOY Midpipe – Flow Is Everything Flow is everything and the new MAD 4" FATBOY Midpipe delivers exactly that.
• Designed specifically for the G8X M3/M4 platform, this midpipe is built to maximize performance and sound without compromise.

OEM and cross-reference numbers

• MAD124

BMW tuning checks before ordering

1. Compare the complete part number, including any superseded number.
2. Verify the vehicle VIN, production date, engine and option codes.
3. Compare connector, mounting position and left/right orientation where applicable.
4. Confirm any required supporting tune, hardware and professional installation.

Frequently asked questions

Will MAD124 fit my BMW?

Confirm the reference, chassis, engine, VIN and production date before purchase.

Is the EUR price final?

No. It is an indicative conversion and may exclude delivery, tax, duties or supplier price changes.

Does this performance part require installation or tuning?

Requirements vary by product. Confirm supporting hardware, software and installation needs before ordering.

Compatibility, availability and pricing must be confirmed before ordering.